X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_barrier_wait.c;h=cc2a8bbf58a9cfee193d7f30bf2bcfd778debe7a;hb=dd5b6384712fb554bb6e291f2bbcdc9ec2f66554;hp=e15abb843afdea5cba6b76f9730084216ded0d4e;hpb=b8a9c90e4fe29821f2ef40796c07c48bd8fac8cc;p=musl

diff --git a/src/thread/pthread_barrier_wait.c b/src/thread/pthread_barrier_wait.c
index e15abb84..cc2a8bbf 100644
--- a/src/thread/pthread_barrier_wait.c
+++ b/src/thread/pthread_barrier_wait.c
@@ -1,8 +1,5 @@
 #include "pthread_impl.h"
 
-void __vm_lock_impl(int);
-void __vm_unlock_impl(void);
-
 static int pshared_barrier_wait(pthread_barrier_t *b)
 {
 	int limit = (b->_b_limit & INT_MAX) + 1;
@@ -26,7 +23,7 @@ static int pshared_barrier_wait(pthread_barrier_t *b)
 			__wait(&b->_b_count, &b->_b_waiters2, v, 0);
 	}
 
-	__vm_lock_impl(+1);
+	__vm_lock();
 
 	/* Ensure all threads have a vm lock before proceeding */
 	if (a_fetch_add(&b->_b_count, -1)==1-limit) {
@@ -47,17 +44,17 @@ static int pshared_barrier_wait(pthread_barrier_t *b)
 	if (v==INT_MIN+1 || (v==1 && w))
 		__wake(&b->_b_lock, 1, 0);
 
-	__vm_unlock_impl();
+	__vm_unlock();
 
 	return ret;
 }
 
 struct instance
 {
-	int count;
-	int last;
-	int waiters;
-	int finished;
+	volatile int count;
+	volatile int last;
+	volatile int waiters;
+	volatile int finished;
 };
 
 int pthread_barrier_wait(pthread_barrier_t *b)
@@ -87,7 +84,7 @@ int pthread_barrier_wait(pthread_barrier_t *b)
 			a_spin();
 		a_inc(&inst->finished);
 		while (inst->finished == 1)
-			__syscall(SYS_futex,&inst->finished,FUTEX_WAIT|128,1,0) != -ENOSYS
+			__syscall(SYS_futex,&inst->finished,FUTEX_WAIT|FUTEX_PRIVATE,1,0) != -ENOSYS
 			|| __syscall(SYS_futex,&inst->finished,FUTEX_WAIT,1,0);
 		return PTHREAD_BARRIER_SERIAL_THREAD;
 	}